PASS build model using MOSFET's - Rarely seen on the used market.You can find it on the web under ACA PASS DIY build (on Google), etc., at: http://www.diyaudio.com/forums/pass-labs/247361-aca-illustrated-build-guide.html This one was built by Frank Wang (CAM) in Ontario, CA 5 wpc. It will drive 89dB 8 ohm speakers with no problem. Full range 94+dB are better, of course! I actually used with a pair of Q-Acoustics 3050's. Each channel has a separate switch mode HP power supply by Neutrik. A nice quality case (face plate 1/3" aluminum) and 5 way binding posts in the rear, L.E.D. indicators in the front. Huge heatsinks are used. The amp does get warm, but never 'fry eggs' hot. Quality parts throughout. A small nick at the lower left of the faceplate, otherwise in nice condition - see photo #2. Most of what else you see is badly photo-magnified and could be rubbed out easily. Sounds like a little tube amp.
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